4.0 TJ Header Install Write-up?? - JeepForum.com
 
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post #1 of 9 Old 03-20-2006, 10:57 AM Thread Starter
chilijeep
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4.0 TJ Header Install Write-up??

Does anyone know where there is a write-up on installing a header on my 4.0?? Mine has cracked for the 2nd time (even with the expansion joints) and I have to replace it again and have one sitting in the garage ready to go on but I just want to make sure I do it right.

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post #2 of 9 Old 03-21-2006, 10:47 AM Thread Starter
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post #3 of 9 Old 03-21-2006, 10:56 AM
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As many times as I've done this, I should have a write-up, but I don't. Sounds like you've done this before, right?

Well, maybe this will help:

Tightening sequence:



And torque values:



After you install it, go out and drive for 15 minutes or so. Then re-torque all the bolts.
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post #4 of 9 Old 03-21-2006, 11:01 AM
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Installing Banks headers on a 4.0L
http://www.nakedjeep.com/Projects/TTubes/TTubes01.html


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post #5 of 9 Old 03-21-2006, 11:13 AM
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Quote:
Originally Posted by NakedJeeper
Nice write-up.

But you don't have to remove both the injectors and disconnect the fuel line. Either do one or the other.
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post #6 of 9 Old 03-21-2006, 12:29 PM Thread Starter
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Quote:
Originally Posted by Wheelin98TJ
As many times as I've done this, I should have a write-up, but I don't. Sounds like you've done this before, right?

Well, maybe this will help:

Tightening sequence:



And torque values:



After you install it, go out and drive for 15 minutes or so. Then re-torque all the bolts.
Thanks for the help. I've had to replace it before but I was busy and just had the shop do it. Saving pennies for vacation so I thought I would tackle it myself this time. How long did the install take and what all did you have to remove besides the header??
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post #7 of 9 Old 03-21-2006, 12:36 PM
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Quote:
Originally Posted by Wheelin98TJ
Nice write-up.

But you don't have to remove both the injectors and disconnect the fuel line. Either do one or the other.

I disconnect the electrical connections to the injectors, not the injectors.

To remove the intake, which the fuel rail is attached to, you kinda have to disconnect the fuel line.


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post #8 of 9 Old 03-21-2006, 01:09 PM
Wheelin98TJ
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Quote:
Originally Posted by chilijeep
... How long did the install take and what all did you have to remove besides the header??
I've got it down to a 2 hour project, but I've done this 5 times now.

You also have to remove:

-Intake manifold(I know this is obvious, just wanted to give you a complete list)
-Air intake tube
-Fuel injector electrical plugs
-Fuel injectors or fuel line. If you don't have a fuel line disconnect tool, you have to remove each injector. Its probably easier to just buy the disconnect tool for maybe $5 or $10.
-Everything connected to the throttle body
-Vaccuum line on the intake manifold
-Power steeering pump

I think thats everything.

That write-up NakedJeeper posted should be some help to you too.

Quote:
Originally Posted by NakedJeeper
I disconnect the electrical connections to the injectors, not the injectors.

To remove the intake, which the fuel rail is attached to, you kinda have to disconnect the fuel line.
Oh, my fault. I read that rather quickly and must have misread what you wrote. I thought you removed the injectors and disconnected the fuel line.
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post #9 of 9 Old 01-01-2015, 09:58 PM
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Im in the process of replacing my intake gasket. Do you guys have any tips or tricks to get at the bolts on the bottom side? I can see two of them but dont even know how id get at them... thanks!
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